In the book's own words, not ours, with obvious scanning errors fixed. Families often supplied these stories to the publisher, so check key dates.
Born 1811
From History of Coshocton County, Ohio: its past and present, 1740-1881. Containing a comprehensive history of Ohio; a complete history of Coshocton County ... a history of its soldiers in the late war ... (1881)
BOYD ROBERT R., White Eyes township; postoffice, Canal Lewisville; farmer; was born in August, about 1811, in county Donegal, Ireland; son of Robert and Jane (Ramsey) Boyd. He came to America and located with his parents on the farm where he now resides. He was married May 23, 1839, to Miss Mary Anne, daughter of Robert and Jane (Stephenson) Johnson. They have had fourteen children: William J., married to Elmira Elliott, now residing in Caldwell county, Missouri; Jane, married to Thomas Hamilton, residing in White Eyes township; Samuel F., married to Elizabeth Brown, living in the same town hip; Robert A., married to Mary Jane Mc- Murray, residing in Marion county; Mary Anne, married to Alexander Adams, residing in Keene township; Hester Ellen, married to James Elliott, residing in Mill Creek township; Elizabeth, married to John Clark, residing in White Eyes township; Daniel, married to Matilda Compton; Zelma, Carbetta, Evert Richard and Caroline, deceased. Mr. Boyd has given his entire attention to mixed husbandry and agriculture, and by honest industry has obtained a competency.
As printed in History of Coshocton County, Ohio: its past and present, 1740-1881. Containing a comprehensive history of Ohio; a complete history of Coshocton County ... a history of its soldiers in the late war ... (1881). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
Named in this biography: Thomas Hamilton (b. 1842)
Their biographies name Robert R. Boyd: J. E. Hamilton (b. 1859)
The printed record stops around 1881. We trace your line from there down to you, with every source cited.